Against The Demon Queen Riddle
Just a quick solution list to all the DQ1 riddle possibilities:

Keep this in mind:

There are 6 runes that you can see at the top of each corridor in the circular central room, each rune is referring to the book:
Mockery - Monkey
Grasping - Octopus
Poisoner - Scorpion
Hungry - Wolf
Devious - Snake
Night - Bat

On the book you can read:
A - first to draw blood.
B and C - never cross each other.
D is close to E.
F gets the killing blow.

The possible combinations are always based on those:
A is always be first.
B or C could be second.
D or E could be third.
Remaining D or E is fourth.
Remaining B or C is fifth.
F is last.

The guaranteed riddle and order:

Poisoner(Scorpion) 1
2 Mockery(Monkey) Grasping(Octopus) 5
4 Night(Bat) Hungry(Wolf) 3
6 Devious(Snake)
SCORP/MONKEY/WOLF/BAT/OCTO/SNAKE

Poisoner(Scorpion) 1
5 Mockery(Monkey) Hungry(Wolf) 2
4 Grasping(Octopus) Night(Bat) 3
Devious(Snake)
SCORP/WOLF/BAT/OCTO/MONKEY/SNAKE

Poisoner(Scorpion) 1
5 Grasping(Octopus) Devious(Snake) 2
3 Night(Bat) Mockery(Monkey) 4
6 Hungry(Wolf)
SCORP/SNAKE/BAT/MONKEY/OCTO/WOLF

Poisoner(Scorpion) 1
5 Hungry(Wolf) Mockery(Monkey) 2
4 Grasping(Octopus) Night(Bat) 3
6 Devious(Snake)
SCORP/MONKEY/BAT/OCTO/WOLF/SNAKE

Poisoner(Scorpion) 1
2 Night(Bat) Devious(Snake) 5
4 Grasping(Octopus) Hungry(Wolf) 3
6 Mockery(Monkey)
SCORP/BAT/WOLF/OCTO/SNAKE/MONKEY

Poisoner(Scorpion) 1
2 Mockery(Monkey) Hungry(Wolf) 5
4 Devious(Snake) Night(Bat) 3
6 Grasping(Octopus)
SCORP/MONKEY/BAT/SNAKE/WOLF/OCTO

Poisoner(Scorpion) 1
2 Hungry(Wolf) Devious(Snake) 5
4 Mockery(Monkey) Night(Bat) 3
6 Grasping(Octopus)
SCORP/WOLF/BAT/MONKEY/SNAKE/OCTO

Poisoner(Scorpion) 1
5 Hungry(Wolf) Night(Bat) 2
4 Mockery(Monkey) Grasping(Octopus) 3
6 Devious(Snake)
SCORP/BAT/OCTO/MONKEY/WOLF/SNAKE

Mockery(Monkey) 1
5 Grasping(Octopus) Poisoner(Scorpion) 2
3 Hungry(Wolf) Devious(Snake) 4
6 Night(Bat)
MONKEY/SCORP/WOLF/SNAKE/OCTO/BAT

Mockery(Monkey) 1
5 Hungry(Wolf) Devious(Snake) 2
4 Night(Bat) Grasping(Octopus) 3
6 Poisoner(Scorpion)
MONKEY/SNAKE/OCTO/BAT/WOLF/SCORP

Mockery(Monkey) 1
5 Poisoner(Scorpion) Grasping(Octopus) 2
4 Devious(Snake) Night(Bat) 3
6 Hungry(Wolf)
MONKEY/OCTO/BAT/SNAKE/SCORP/WOLF

Mockery(Monkey) 1
5 Night(Bat) Devious(Snake) 2
3 Poisoner(Scorpion) Hungry(Wolf) 4
6 Grasping(Octopus)
MONKEY/SNAKE/SCORP/WOLF/BAT/OCTO

Hungry(Wolf) 1
2 Night(bat) Grasping(Octopus) 5
4 Poisoner(Scorpion) Devious(Snake) 3
6 Mockery(Monkey)
WOLF/BAT/SNAKE/SCORP/OCTO/MONKEY

Hungry(Wolf) 1
2 Poisoner(Scorpion) Mockery(Monkey) 5
3 Grasping(Octopus) Night(Bat) 4
6 Devious(Snake)
WOLF/SCORP/OCTO/BAT/MONKEY/SNAKE

Hungry(Wolf) 1
2 Devious(Snake) Night(Bat) 5
3 Mockery(Monkey) Grasping(Octopus) 4
6 Poisoner(Scorpion)
WOLF/SNAKE/MONKEY/OCTO/BAT/SCORP

Hungry(Wolf) 1
5 Poisoner(Scorpion) Night(Bat) 2
3 Mockery(Monkey) Devious(Snake) 4
6 Grasping(Octopus)
WOLF/BAT/MONKEY/SNAKE/SCORP/OCTO

Hungry(Wolf) 1
2 Grasping(Octopus) Devious(Snake) 5
3 Mockery(Monkey) Night(Bat) 4
6 Poisoner(Scorpion)
WOLF/OCTO/MONKEY/BAT/SNAKE/SCORP

Grasping(Octopus) 1
2 Devious(Snake) Hungry(Wolf) 5
3 Night(Bat) Poisoner(Scorpion) 4
6 Mockery(Monkey)
OCTO/SNAKE/BAT/SCORP/WOLF/MONKEY

Grasping(Octopus) 1
5 Night(Bat) Mockery(Monkey) 2
3 Devious(Snake) Hungry(Wolf) 4
6 Poisoner(Scorpion)
OCTO/MONKEY/SNAKE/WOLF/BAT/SCORP

Grasping(Octopus) 1
5 Mockery(Monkey) Night(Bat) 2
4 Devious(Snake) Poisoner(Scorpion) 3
6 Hungry(Wolf)
OCTO/BAT/SCORP/SNAKE/MONKEY/WOLF

Grasping(Octopus) 1
2 Poisoner(Scorpion) Night(Bat) 5
3 Hungry(Wolf) Mockery(Monkey) 4
6 Devious(Snake)
OCTO/SCORP/WOLF/MONKEY/BAT/SNAKE

Grasping(Octopus) 1
2 Devious(Snake) Poisoner(Scorpion) 5
4 Night(Bat) Hungry(Wolf) 3
Mockery(Monkey)
OCTO/SNAKE/WOLF/BAT/SCORP/MONKEY

Night(Bat) 1
5 Mockery(Monkey) Poisoner(Scorpion) 2
3 Devious(Snake) Grasping(Octopus) 4
6 Hungry(Wolf)
BAT/SCORP/SNAKE/OCTO/MONKEY/WOLF

Night(Bat) 1
2 Grasping(Octopus) Hungry(Wolf) 5
3 Poisoner(Scorpion) Devious(Snake) 4
6 Mockery(Monkey)
BAT/OCTO/SCORP/SNAKE/WOLF/MONKEY

Devious(Snake) 1
2 Mockery(Monkey) Poisoner(Scorpion) 5
3 Grasping(Octopus) Hungry(Wolf) 4
6 Night(Bat)
SNAKE/MONKEY/OCTO/WOLF/SCORP/BAT

Devious(Snake) 1
5 Mockery(Monkey) Grasping(Octopus) 2
4 Poisoner(Scorpion) Hungry(Wolf) 3
6 Night(Bat)
SNAKE/OCTO/WOLF/SCORP/MONKEY/BAT